Seat unit for health care walker



FIG. 1 is a front perspective view of a seat unit for health care walker showing our new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged side elevation view thereof;

FIG. 3 is an enlarged bottom plan view thereof;

FIG. 4 is an enlarged rear elevation view thereof.

The chain in FIG. 2 is shown broken away for convenience of illustration. 

The ornamental design for a seat unit for health care walker, substantially as shown and described. 